"bytes"
"fmt"
"io"
+ "os/exec"
+ "path"
"path/filepath"
"sort"
"strings"
inputFileExt = ".api.json" // file extension of the VPP API files
outputFileExt = ".ba.go" // file extension of the Go generated files
- govppApiImportPath = "git.fd.io/govpp.git/api" // import path of the govpp API package
-
constModuleName = "ModuleName" // module name constant
constAPIVersion = "APIVersion" // API version constant
constVersionCrc = "VersionCrc" // version CRC constant
unionDataField = "XXX_UnionData" // name for the union data field
+
+ serviceApiName = "RPCService" // name for the RPC service interface
+ serviceImplName = "serviceClient" // name for the RPC service implementation
+ serviceClientName = "ServiceClient" // name for the RPC service client
)
// context is a structure storing data for code generation
inputFile string // input file with VPP API in JSON
outputFile string // output file with generated Go package
+ importPrefix string // defines import path prefix for importing types
+
inputData []byte // contents of the input file
includeAPIVersion bool // include constant with API version string
packageData *Package // parsed package data
}
-// getContext returns context details of the code generation task
-func getContext(inputFile, outputDir string) (*context, error) {
+// newContext returns context details of the code generation task
+func newContext(inputFile, outputDir string) (*context, error) {
if !strings.HasSuffix(inputFile, inputFileExt) {
return nil, fmt.Errorf("invalid input file name: %q", inputFile)
}
return ctx, nil
}
-// generatePackage generates code for the parsed package data and writes it into w
func generatePackage(ctx *context, w io.Writer) error {
+ logf("----------------------------")
logf("generating package %q", ctx.packageName)
+ logf("----------------------------")
+
+ fmt.Fprintln(w, "// Code generated by GoVPP's binapi-generator. DO NOT EDIT.")
+ fmt.Fprintf(w, "// source: %s\n", ctx.inputFile)
+ fmt.Fprintln(w)
- // generate file header
generateHeader(ctx, w)
generateImports(ctx, w)
// generate enums
if len(ctx.packageData.Enums) > 0 {
- fmt.Fprintf(w, "/* Enums */\n\n")
-
for _, enum := range ctx.packageData.Enums {
+ if imp, ok := ctx.packageData.Imports[enum.Name]; ok {
+ generateImportedAlias(ctx, w, enum.Name, &imp)
+ continue
+ }
generateEnum(ctx, w, &enum)
}
}
// generate aliases
if len(ctx.packageData.Aliases) > 0 {
- fmt.Fprintf(w, "/* Aliases */\n\n")
-
for _, alias := range ctx.packageData.Aliases {
+ if imp, ok := ctx.packageData.Imports[alias.Name]; ok {
+ generateImportedAlias(ctx, w, alias.Name, &imp)
+ continue
+ }
generateAlias(ctx, w, &alias)
}
}
// generate types
if len(ctx.packageData.Types) > 0 {
- fmt.Fprintf(w, "/* Types */\n\n")
-
for _, typ := range ctx.packageData.Types {
+ if imp, ok := ctx.packageData.Imports[typ.Name]; ok {
+ generateImportedAlias(ctx, w, typ.Name, &imp)
+ continue
+ }
generateType(ctx, w, &typ)
}
}
// generate unions
if len(ctx.packageData.Unions) > 0 {
- fmt.Fprintf(w, "/* Unions */\n\n")
-
for _, union := range ctx.packageData.Unions {
+ if imp, ok := ctx.packageData.Imports[union.Name]; ok {
+ generateImportedAlias(ctx, w, union.Name, &imp)
+ continue
+ }
generateUnion(ctx, w, &union)
}
}
// generate messages
if len(ctx.packageData.Messages) > 0 {
- fmt.Fprintf(w, "/* Messages */\n\n")
-
for _, msg := range ctx.packageData.Messages {
generateMessage(ctx, w, &msg)
}
}
}
+ generateFooter(ctx, w)
+
return nil
}
-// generateHeader writes generated package header into w
func generateHeader(ctx *context, w io.Writer) {
- fmt.Fprintln(w, "// Code generated by GoVPP binapi-generator. DO NOT EDIT.")
- fmt.Fprintf(w, "// source: %s\n", ctx.inputFile)
- fmt.Fprintln(w)
-
fmt.Fprintln(w, "/*")
- fmt.Fprintf(w, "Package %s is a generated from VPP binary API module '%s'.\n", ctx.packageName, ctx.moduleName)
+ fmt.Fprintf(w, "Package %s is a generated VPP binary API for '%s' module.\n", ctx.packageName, ctx.moduleName)
fmt.Fprintln(w)
- fmt.Fprintf(w, " The %s module consists of:\n", ctx.moduleName)
- var printObjNum = func(obj string, num int) {
+ fmt.Fprintln(w, "It consists of:")
+ printObjNum := func(obj string, num int) {
if num > 0 {
if num > 1 {
if strings.HasSuffix(obj, "s") {
fmt.Fprintf(w, "\t%3d %s\n", num, obj)
}
}
-
printObjNum("enum", len(ctx.packageData.Enums))
printObjNum("alias", len(ctx.packageData.Aliases))
printObjNum("type", len(ctx.packageData.Types))
printObjNum("message", len(ctx.packageData.Messages))
printObjNum("service", len(ctx.packageData.Services))
fmt.Fprintln(w, "*/")
-
fmt.Fprintf(w, "package %s\n", ctx.packageName)
fmt.Fprintln(w)
+
}
-// generateImports writes generated package imports into w
func generateImports(ctx *context, w io.Writer) {
- fmt.Fprintf(w, "import api \"%s\"\n", govppApiImportPath)
- fmt.Fprintf(w, "import bytes \"%s\"\n", "bytes")
- fmt.Fprintf(w, "import context \"%s\"\n", "context")
- fmt.Fprintf(w, "import strconv \"%s\"\n", "strconv")
- fmt.Fprintf(w, "import struc \"%s\"\n", "github.com/lunixbochs/struc")
+ fmt.Fprintln(w, "import (")
+ fmt.Fprintln(w, ` "bytes"`)
+ fmt.Fprintln(w, ` "context"`)
+ fmt.Fprintln(w, ` "io"`)
+ fmt.Fprintln(w, ` "strconv"`)
fmt.Fprintln(w)
-
- fmt.Fprintf(w, "// Reference imports to suppress errors if they are not otherwise used.\n")
- fmt.Fprintf(w, "var _ = api.RegisterMessage\n")
- fmt.Fprintf(w, "var _ = bytes.NewBuffer\n")
- fmt.Fprintf(w, "var _ = context.Background\n")
- fmt.Fprintf(w, "var _ = strconv.Itoa\n")
- fmt.Fprintf(w, "var _ = struc.Pack\n")
+ fmt.Fprintf(w, "\tapi \"%s\"\n", "git.fd.io/govpp.git/api")
+ fmt.Fprintf(w, "\tstruc \"%s\"\n", "github.com/lunixbochs/struc")
+ if len(ctx.packageData.Imports) > 0 {
+ fmt.Fprintln(w)
+ for _, imp := range getImports(ctx) {
+ importPath := path.Join(ctx.importPrefix, imp)
+ if importPath == "" {
+ importPath = getImportPath(filepath.Dir(ctx.outputFile), imp)
+ }
+ fmt.Fprintf(w, "\t%s \"%s\"\n", imp, strings.TrimSpace(importPath))
+ }
+ }
+ fmt.Fprintln(w, ")")
fmt.Fprintln(w)
+}
+
+func getImportPath(outputDir string, pkg string) string {
+ absPath, _ := filepath.Abs(filepath.Join(outputDir, "..", pkg))
+ cmd := exec.Command("go", "list", absPath)
+ var errbuf, outbuf bytes.Buffer
+ cmd.Stdout = &outbuf
+ cmd.Stderr = &errbuf
+ if err := cmd.Run(); err != nil {
+ fmt.Printf("ERR: %v\n", errbuf.String())
+ panic(err)
+ }
+ return outbuf.String()
+}
+
+func getImports(ctx *context) (imports []string) {
+ impmap := map[string]struct{}{}
+ for _, imp := range ctx.packageData.Imports {
+ if _, ok := impmap[imp.Package]; !ok {
+ imports = append(imports, imp.Package)
+ impmap[imp.Package] = struct{}{}
+ }
+ }
+ sort.Strings(imports)
+ return imports
+}
+func generateFooter(ctx *context, w io.Writer) {
fmt.Fprintln(w, "// This is a compile-time assertion to ensure that this generated file")
fmt.Fprintln(w, "// is compatible with the GoVPP api package it is being compiled against.")
fmt.Fprintln(w, "// A compilation error at this line likely means your copy of the")
fmt.Fprintln(w, "// GoVPP api package needs to be updated.")
fmt.Fprintf(w, "const _ = api.GoVppAPIPackageIsVersion%d // please upgrade the GoVPP api package\n", generatedCodeVersion)
fmt.Fprintln(w)
+
+ fmt.Fprintf(w, "// Reference imports to suppress errors if they are not otherwise used.\n")
+ fmt.Fprintf(w, "var _ = api.RegisterMessage\n")
+ fmt.Fprintf(w, "var _ = bytes.NewBuffer\n")
+ fmt.Fprintf(w, "var _ = context.Background\n")
+ fmt.Fprintf(w, "var _ = io.Copy\n")
+ fmt.Fprintf(w, "var _ = strconv.Itoa\n")
+ fmt.Fprintf(w, "var _ = struc.Pack\n")
}
-// generateComment writes generated comment for the object into w
func generateComment(ctx *context, w io.Writer, goName string, vppName string, objKind string) {
if objKind == "service" {
- fmt.Fprintf(w, "// %s represents VPP binary API services in %s module.\n", ctx.moduleName, goName)
+ fmt.Fprintf(w, "// %s represents RPC service API for %s module.\n", goName, ctx.moduleName)
} else {
- fmt.Fprintf(w, "// %s represents VPP binary API %s '%s':\n", goName, objKind, vppName)
+ fmt.Fprintf(w, "// %s represents VPP binary API %s '%s'.\n", goName, objKind, vppName)
}
if !ctx.includeComments {
fmt.Fprintln(w, "//")
}
-// generateServices writes generated code for the Services interface into w
-func generateServices(ctx *context, w io.Writer, services []Service) {
- const apiName = "Service"
- const implName = "service"
-
- // generate services comment
- generateComment(ctx, w, apiName, "services", "service")
-
- // generate interface
- fmt.Fprintf(w, "type %s interface {\n", apiName)
- for _, svc := range services {
- generateServiceMethod(ctx, w, &svc)
- fmt.Fprintln(w)
- }
- fmt.Fprintln(w, "}")
- fmt.Fprintln(w)
-
- // generate client implementation
- fmt.Fprintf(w, "type %s struct {\n", implName)
- fmt.Fprintf(w, "\tch api.Channel\n")
- fmt.Fprintln(w, "}")
- fmt.Fprintln(w)
-
- fmt.Fprintf(w, "func New%[1]s(ch api.Channel) %[1]s {\n", apiName)
- fmt.Fprintf(w, "\treturn &%s{ch}\n", implName)
- fmt.Fprintln(w, "}")
- fmt.Fprintln(w)
-
- for _, svc := range services {
- fmt.Fprintf(w, "func (c *%s) ", implName)
- generateServiceMethod(ctx, w, &svc)
- fmt.Fprintln(w, " {")
- if svc.Stream {
- // TODO: stream responses
- //fmt.Fprintf(w, "\tstream := make(chan *%s)\n", camelCaseName(svc.ReplyType))
- replyTyp := camelCaseName(svc.ReplyType)
- fmt.Fprintf(w, "\tvar dump []*%s\n", replyTyp)
- fmt.Fprintf(w, "\treq := c.ch.SendMultiRequest(in)\n")
- fmt.Fprintf(w, "\tfor {\n")
- fmt.Fprintf(w, "\tm := new(%s)\n", replyTyp)
- fmt.Fprintf(w, "\tstop, err := req.ReceiveReply(m)\n")
- fmt.Fprintf(w, "\tif stop { break }\n")
- fmt.Fprintf(w, "\tif err != nil { return nil, err }\n")
- fmt.Fprintf(w, "\tdump = append(dump, m)\n")
- fmt.Fprintln(w, "}")
- fmt.Fprintf(w, "\treturn dump, nil\n")
- } else if replyTyp := camelCaseName(svc.ReplyType); replyTyp != "" {
- fmt.Fprintf(w, "\tout := new(%s)\n", replyTyp)
- fmt.Fprintf(w, "\terr:= c.ch.SendRequest(in).ReceiveReply(out)\n")
- fmt.Fprintf(w, "\tif err != nil { return nil, err }\n")
- fmt.Fprintf(w, "\treturn out, nil\n")
- } else {
- fmt.Fprintf(w, "\tc.ch.SendRequest(in)\n")
- fmt.Fprintf(w, "\treturn nil\n")
- }
- fmt.Fprintln(w, "}")
- fmt.Fprintln(w)
- }
-
- fmt.Fprintln(w)
-}
-
-// generateServiceMethod writes generated code for the service into w
-func generateServiceMethod(ctx *context, w io.Writer, svc *Service) {
- reqTyp := camelCaseName(svc.RequestType)
-
- // method name is same as parameter type name by default
- method := reqTyp
- if svc.Stream {
- // use Dump as prefix instead of suffix for stream services
- if m := strings.TrimSuffix(method, "Dump"); method != m {
- method = "Dump" + m
- }
- }
-
- params := fmt.Sprintf("in *%s", reqTyp)
- returns := "error"
- if replyType := camelCaseName(svc.ReplyType); replyType != "" {
- replyTyp := fmt.Sprintf("*%s", replyType)
- if svc.Stream {
- // TODO: stream responses
- //replyTyp = fmt.Sprintf("<-chan %s", replyTyp)
- replyTyp = fmt.Sprintf("[]%s", replyTyp)
- }
- returns = fmt.Sprintf("(%s, error)", replyTyp)
- }
-
- fmt.Fprintf(w, "\t%s(ctx context.Context, %s) %s", method, params, returns)
-}
-
-// generateEnum writes generated code for the enum into w
func generateEnum(ctx *context, w io.Writer, enum *Enum) {
name := camelCaseName(enum.Name)
typ := binapiTypes[enum.Type]
fmt.Fprintln(w)
}
-// generateAlias writes generated code for the alias into w
+func generateImportedAlias(ctx *context, w io.Writer, tName string, imp *Import) {
+ name := camelCaseName(tName)
+
+ fmt.Fprintf(w, "type %s = %s.%s\n", name, imp.Package, name)
+
+ fmt.Fprintln(w)
+}
+
func generateAlias(ctx *context, w io.Writer, alias *Alias) {
name := camelCaseName(alias.Name)
fmt.Fprintln(w)
}
-// generateUnion writes generated code for the union into w
func generateUnion(ctx *context, w io.Writer, union *Union) {
name := camelCaseName(union.Name)
generateTypeNameGetter(w, name, union.Name)
// generate CRC getter
- generateCrcGetter(w, name, union.CRC)
+ if union.CRC != "" {
+ generateCrcGetter(w, name, union.CRC)
+ }
// generate getters for fields
for _, field := range union.Fields {
`, structName, getterField, getterStruct, unionDataField)
}
-// generateType writes generated code for the type into w
func generateType(ctx *context, w io.Writer, typ *Type) {
name := camelCaseName(typ.Name)
generateTypeNameGetter(w, name, typ.Name)
// generate CRC getter
- generateCrcGetter(w, name, typ.CRC)
+ if typ.CRC != "" {
+ generateCrcGetter(w, name, typ.CRC)
+ }
fmt.Fprintln(w)
}
-// generateMessage writes generated code for the message into w
func generateMessage(ctx *context, w io.Writer, msg *Message) {
name := camelCaseName(msg.Name)
// generate end of the struct
fmt.Fprintln(w, "}")
- // generate name getter
+ // generate message methods
+ generateMessageResetMethod(w, name)
generateMessageNameGetter(w, name, msg.Name)
-
- // generate CRC getter
generateCrcGetter(w, name, msg.CRC)
-
- // generate message type getter method
generateMessageTypeGetter(w, name, msgType)
fmt.Fprintln(w)
}
-// generateField writes generated code for the field into w
func generateField(ctx *context, w io.Writer, fields []Field, i int) {
field := fields[i]
fieldName := strings.TrimPrefix(field.Name, "_")
fieldName = camelCaseName(fieldName)
+ dataType := convertToGoType(ctx, field.Type)
+ fieldType := dataType
+
// generate length field for strings
- if field.Type == "string" {
+ if field.Type == "string" && field.Length == 0 {
fmt.Fprintf(w, "\tXXX_%sLen uint32 `struc:\"sizeof=%s\"`\n", fieldName, fieldName)
}
- dataType := convertToGoType(ctx, field.Type)
- fieldType := dataType
-
// check if it is array
if field.Length > 0 || field.SizeFrom != "" {
if dataType == "uint8" {
dataType = "byte"
}
- fieldType = "[]" + dataType
+ if dataType == "string" && field.SpecifiedLen {
+ fieldType = "string"
+ dataType = "byte"
+ } else {
+ fieldType = "[]" + dataType
+ }
}
fmt.Fprintf(w, "\t%s %s", fieldName, fieldType)
fieldTags := map[string]string{}
- if field.Length > 0 {
+ if field.Length > 0 && field.SpecifiedLen {
// fixed size array
fieldTags["struc"] = fmt.Sprintf("[%d]%s", field.Length, dataType)
} else {
fmt.Fprintln(w)
}
-// generateMessageNameGetter generates getter for original VPP message name into the provider writer
-func generateMessageNameGetter(w io.Writer, structName, msgName string) {
- fmt.Fprintf(w, `func (*%s) GetMessageName() string {
- return %q
+func generateMessageResetMethod(w io.Writer, structName string) {
+ fmt.Fprintf(w, "func (m *%[1]s) Reset() { *m = %[1]s{} }\n", structName)
}
-`, structName, msgName)
+
+func generateMessageNameGetter(w io.Writer, structName, msgName string) {
+ fmt.Fprintf(w, "func (*%s) GetMessageName() string { return %q }\n", structName, msgName)
}
-// generateTypeNameGetter generates getter for original VPP type name into the provider writer
func generateTypeNameGetter(w io.Writer, structName, msgName string) {
- fmt.Fprintf(w, `func (*%s) GetTypeName() string {
- return %q
-}
-`, structName, msgName)
+ fmt.Fprintf(w, "func (*%s) GetTypeName() string { return %q }\n", structName, msgName)
}
-// generateCrcGetter generates getter for CRC checksum of the message definition into the provider writer
func generateCrcGetter(w io.Writer, structName, crc string) {
crc = strings.TrimPrefix(crc, "0x")
- fmt.Fprintf(w, `func (*%s) GetCrcString() string {
- return %q
-}
-`, structName, crc)
+ fmt.Fprintf(w, "func (*%s) GetCrcString() string { return %q }\n", structName, crc)
}
-// generateMessageTypeGetter generates message factory for the generated message into the provider writer
func generateMessageTypeGetter(w io.Writer, structName string, msgType MessageType) {
- fmt.Fprintln(w, "func (*"+structName+") GetMessageType() api.MessageType {")
+ fmt.Fprintf(w, "func (*"+structName+") GetMessageType() api.MessageType {")
if msgType == requestMessage {
- fmt.Fprintln(w, "\treturn api.RequestMessage")
+ fmt.Fprintf(w, "\treturn api.RequestMessage")
} else if msgType == replyMessage {
- fmt.Fprintln(w, "\treturn api.ReplyMessage")
+ fmt.Fprintf(w, "\treturn api.ReplyMessage")
} else if msgType == eventMessage {
- fmt.Fprintln(w, "\treturn api.EventMessage")
+ fmt.Fprintf(w, "\treturn api.EventMessage")
} else {
- fmt.Fprintln(w, "\treturn api.OtherMessage")
+ fmt.Fprintf(w, "\treturn api.OtherMessage")
}
fmt.Fprintln(w, "}")
+ fmt.Fprintln(w)
+}
+
+func generateServices(ctx *context, w io.Writer, services []Service) {
+
+ // generate services comment
+ generateComment(ctx, w, serviceApiName, "services", "service")
+
+ // generate service api
+ fmt.Fprintf(w, "type %s interface {\n", serviceApiName)
+ for _, svc := range services {
+ generateServiceMethod(ctx, w, &svc)
+ fmt.Fprintln(w)
+ }
+ fmt.Fprintln(w, "}")
+ fmt.Fprintln(w)
+
+ // generate client implementation
+ fmt.Fprintf(w, "type %s struct {\n", serviceImplName)
+ fmt.Fprintf(w, "\tch api.Channel\n")
+ fmt.Fprintln(w, "}")
+ fmt.Fprintln(w)
+
+ // generate client constructor
+ fmt.Fprintf(w, "func New%s(ch api.Channel) %s {\n", serviceClientName, serviceApiName)
+ fmt.Fprintf(w, "\treturn &%s{ch}\n", serviceImplName)
+ fmt.Fprintln(w, "}")
+ fmt.Fprintln(w)
+
+ for _, svc := range services {
+ method := camelCaseName(svc.RequestType)
+ if m := strings.TrimSuffix(method, "Dump"); method != m {
+ method = "Dump" + m
+ }
+
+ fmt.Fprintf(w, "func (c *%s) ", serviceImplName)
+ generateServiceMethod(ctx, w, &svc)
+ fmt.Fprintln(w, " {")
+ if svc.Stream {
+ streamImpl := fmt.Sprintf("%s_%sClient", serviceImplName, method)
+ fmt.Fprintf(w, "\tstream := c.ch.SendMultiRequest(in)\n")
+ fmt.Fprintf(w, "\tx := &%s{stream}\n", streamImpl)
+ fmt.Fprintf(w, "\treturn x, nil\n")
+ } else if replyTyp := camelCaseName(svc.ReplyType); replyTyp != "" {
+ fmt.Fprintf(w, "\tout := new(%s)\n", replyTyp)
+ fmt.Fprintf(w, "\terr:= c.ch.SendRequest(in).ReceiveReply(out)\n")
+ fmt.Fprintf(w, "\tif err != nil { return nil, err }\n")
+ fmt.Fprintf(w, "\treturn out, nil\n")
+ } else {
+ fmt.Fprintf(w, "\tc.ch.SendRequest(in)\n")
+ fmt.Fprintf(w, "\treturn nil\n")
+ }
+ fmt.Fprintln(w, "}")
+ fmt.Fprintln(w)
+
+ if svc.Stream {
+ replyTyp := camelCaseName(svc.ReplyType)
+ method := camelCaseName(svc.RequestType)
+ if m := strings.TrimSuffix(method, "Dump"); method != m {
+ method = "Dump" + m
+ }
+ streamApi := fmt.Sprintf("%s_%sClient", serviceApiName, method)
+
+ fmt.Fprintf(w, "type %s interface {\n", streamApi)
+ fmt.Fprintf(w, "\tRecv() (*%s, error)\n", replyTyp)
+ fmt.Fprintln(w, "}")
+ fmt.Fprintln(w)
+
+ streamImpl := fmt.Sprintf("%s_%sClient", serviceImplName, method)
+ fmt.Fprintf(w, "type %s struct {\n", streamImpl)
+ fmt.Fprintf(w, "\tapi.MultiRequestCtx\n")
+ fmt.Fprintln(w, "}")
+ fmt.Fprintln(w)
+
+ fmt.Fprintf(w, "func (c *%s) Recv() (*%s, error) {\n", streamImpl, replyTyp)
+ fmt.Fprintf(w, "\tm := new(%s)\n", replyTyp)
+ fmt.Fprintf(w, "\tstop, err := c.MultiRequestCtx.ReceiveReply(m)\n")
+ fmt.Fprintf(w, "\tif err != nil { return nil, err }\n")
+ fmt.Fprintf(w, "\tif stop { return nil, io.EOF }\n")
+ fmt.Fprintf(w, "\treturn m, nil\n")
+ fmt.Fprintln(w, "}")
+ fmt.Fprintln(w)
+ }
+ }
+
+ fmt.Fprintln(w)
+}
+
+func generateServiceMethod(ctx *context, w io.Writer, svc *Service) {
+ reqTyp := camelCaseName(svc.RequestType)
+
+ // method name is same as parameter type name by default
+ method := reqTyp
+ if svc.Stream {
+ // use Dump as prefix instead of suffix for stream services
+ if m := strings.TrimSuffix(method, "Dump"); method != m {
+ method = "Dump" + m
+ }
+ }
+
+ params := fmt.Sprintf("in *%s", reqTyp)
+ returns := "error"
+
+ if replyType := camelCaseName(svc.ReplyType); replyType != "" {
+ var replyTyp string
+ if svc.Stream {
+ replyTyp = fmt.Sprintf("%s_%sClient", serviceApiName, method)
+ } else {
+ replyTyp = fmt.Sprintf("*%s", replyType)
+ }
+ returns = fmt.Sprintf("(%s, error)", replyTyp)
+ }
+
+ fmt.Fprintf(w, "\t%s(ctx context.Context, %s) %s", method, params, returns)
}